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quad: Import sympy only when necessary #459

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merged 4 commits into from
Dec 14, 2018
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quad: Import sympy only when necessary #459

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8755243
quad: Import sympy only when necessary
rht Dec 11, 2018
d869c88
util.notebooks: Import requests only when necessary
rht Dec 11, 2018
a8e2ddc
random.utilities: Cache guvectorize
rht Dec 11, 2018
e265b25
quantecon.arma: Import scipy.signal functions only when necessary
rht Dec 12, 2018
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quad: Import sympy only when necessary
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@rht
rht committed Dec 11, 2018
commit 875524321c6c9a7c6df13a25126c6de240eb95fc
2 changes: 1 addition & 1 deletion quantecon/quad.py
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Expand Up @@ -14,7 +14,6 @@
import numpy as np
import scipy.linalg as la
from numba import jit, vectorize
import sympy as sym
from .ce_util import ckron, gridmake
from .util import check_random_state

Expand Down Expand Up @@ -141,6 +140,7 @@ def qnwequi(n, a, b, kind="N", equidist_pp=None, random_state=None):
random_state = check_random_state(random_state)

if equidist_pp is None:
import sympy as sym
equidist_pp = np.sqrt(np.array(list(sym.primerange(0, 7920))))

n, a, b = list(map(np.atleast_1d, list(map(np.asarray, [n, a, b]))))
Expand Down